Home / 3,450.94-5,178.81-1,502.14

Finding the Fourth Proportional to 3,450.94, 5,178.81 and 1,502.14

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Solution

The fourth proportional to 3,450.94, 5,178.81 and 1,502.14 is: 2,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.94 : 5,178.81 = 1,502.14 : x
  2. Step 2: Convert to fraction form
    3,450.94/5,178.81 = 1,502.14/x
  3. Step 3: Cross multiply
    3,450.94x = 5,178.81 × 1,502.14
  4. Step 4: Simplify right side
    3,450.94x = 7,779,297.65
  5. Step 5: Solve for x
    x = 7,779,297.65/3,450.94
  6. Step 6: Final answer
    x = 2,254.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.